The battery used to start the auxiliary power unit (APU) on the Japan Airlines (JAL) Boeing 787 that caught fire did not overcharge, according to an investigation update released by the US National Transportation Safety Board.

The battery used to start the auxiliary power unit (APU) on the Japan Airlines (JAL) Boeing 787 that caught fire did not overcharge, according to the US National Transportation Safety Board.
In a detailed third update on its investigation into the Jan. 7 fire aboard the JAL Dreamliner while it was parked at Boston Logan Airport, NTSB said examination of flight recorder data indicates the APU battery did not exceed its designed voltage of 32 volts.
The lithium ion battery has become a ...